A highly stable potentiometric Li + -sensing chip based on hydrophobic laser-induced graphene

Key Points

• To develop a stable and effective potentiometric sensor for lithium ions using hydrophobic laser-induced graphene.
• Fabrication of hydrophobic laser-induced graphene through an electrochemical reduction method.
• Construction of a potentiometric sensing chip integrating er-LIG to detect lithium ions.
• The sensing chip demonstrates high potential stability for accurate lithium ion detection.
• It exhibits large double-layer capacitance and good conductivity, which enhance measurement performance.